Home / 743,837-1,026,491.22-404,307.08

Finding the Fourth Proportional to 743,837, 1,026,491.22 and 404,307.08

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Solution

The fourth proportional to 743,837, 1,026,491.22 and 404,307.08 is: 557,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,837 : 1,026,491.22 = 404,307.08 : x
  2. Step 2: Convert to fraction form
    743,837/1,026,491.22 = 404,307.08/x
  3. Step 3: Cross multiply
    743,837x = 1,026,491.22 × 404,307.08
  4. Step 4: Simplify right side
    743,837x = 415,017,667,803.84
  5. Step 5: Solve for x
    x = 415,017,667,803.84/743,837
  6. Step 6: Final answer
    x = 557,941.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.